David Barclay is an energy professional with over two decades of experience. He works collaboratively with senior leadership at utilities to develop strategies and plans that leverage market conditions to strengthen or create competitive advantages within the regulatory framework. His expertise is built upon a broad base of knowledge spanning gas, electric, water, and wastewater utility operations and planning. He has designed and executed a wide array of research projects that delivered actionable insights to clients and stakeholders. Areas of focus include distributed energy resources (DER), electrification, non-pipe (NPA) and non-wire alternatives (NWA), gas decarbonization, portfolio optimization, market due diligence, emerging technologies, cybersecurity, equity, climate risk and resiliency, electric vehicles, customer experience, ESG, and system adaptation.

Sarah Steinberg leads Advanced Energy United's building decarbonization and future of gas work, developing advocacy strategies and supporting and educating key decision-makers across state houses, administrations, and agencies to accelerate the transition to 100% clean energy in the built environment. Previously, Sarah led portfolios of work in Nevada and Indiana, which focused on utility resource planning, transportation electrification, distributed energy resources, and wholesale markets. Before joining Advanced Energy United, Sarah worked as legislative staff to a State Representative in the Massachusetts State House and organized for the New Hampshire Democratic Party in the 2016 election.

Emma Rebhorn was nominated to the NJ Board of Public Utilities by Governor Murphy and confirmed by the New Jersey State Senate in January 2026.

 Prior to her appointment, Commissioner Rebhorn served as the Deputy Executive Director of Climate Jobs National Resource Center and Action Fund, the national hub of more than a dozen state-based, labor-led coalitions advocating for worker-centered climate action on behalf of millions of union members. At CJNRC/AF, Commissioner Rebhorn supported unions and climate jobs coalitions nationally and abroad in driving ambitious subnational action to create good union jobs, lower utility costs, and expand clean energy. Commissioner Rebhorn brings a deep understanding of the role working people—including those who build, operate, and maintain our utility infrastructure—must play in shaping energy and regulatory systems that are sustainable, reliable, and affordable.

 Raised in a union family in New Jersey, Commissioner Rebhorn spent more than 15 years in the labor movement prior to her appointment, including as a member of the Communications Workers of America, and brings to her role extensive litigation, corporate counsel, and advocacy experience in practice areas including antitrust, bankruptcy, civil rights, labor, and employment law. Previously, Commissioner Rebhorn was General Counsel to Health Professionals and Allied Employees, a statewide federation of healthcare and allied workers affiliated with the American Federation of Teachers and began her career as Assistant General Counsel to the United Steelworkers International Union, the nation's largest private sector union.

 Commissioner Rebhorn earned her Bachelor of Arts from Columbia University and her JD from Tulane University and is a graduate of the Harvard Trade Union Program.

Jenny Goldberg serves as Integrated Energy Planning Manager at the Massachusetts Department of Energy Resources (DOER), where she leads DOER’s work on advancing the gas-electric transition to support the Commonwealth’s climate and affordability goals. She also currently represents DOER at the Massachusetts Integrated Energy Planning Working Group. Jenny holds an M.S. in Sustainability from Tufts University’s Department of Urban & Environmental Policy & Planning.

Tamara Kuiken is a vice president at DNV with over 20 years of experience in the energy industry. She has experience supporting regulatory, utility, and public sector initiatives focused on long-term planning, market assessment, and energy transition considerations. Her work includes participation in the Ontario Energy Board’s Natural Gas Integrated Resource Planning Technical Working Group, where she supported analytical and stakeholder processes, as well as an Enbridge jurisdictional scan examining natural gas distribution policy and market conditions across regions. She has also contributed to the California Energy Commission’s Mindful Decommissioning project. Much of her work has focused on collaboration and effective communication. She is adept at understanding different industry perspectives and providing the context around issues, allowing all sides to make informed decisions. She has extensive experience in working across industry groups, collaborating with and engaging stakeholders in multiple markets. She also specializes in explaining complex industry issues and their impacts on policy. She is a Licensed Professional Engineer in the State of Wisconsin.

Carmen Best, as Chief Policy Officer, distills a complex policy landscape into tangible, forward-looking solutions, ensuring Recurve’s products not only meet this incredible moment in the energy transition but can also serve as critical infrastructure for a dynamic energy future. Since starting in the energy industry, she has focused on understanding the true delivered value of demand-side resources through standardized, accessible analytics to accelerate investment in demand flexibility to reliably deliver when and where they're needed most.

Before joining Recurve, Carmen spent nearly a decade at the California Public Utilities Commission. She shaped key energy policy in demand forecasting, integrated resource planning, and meter-based efficiency. Her regulatory experience brings essential context in supporting customers, projects, and products, informing and influencing Recurve's innovative product suite.

Recurve is a leader in demand flexibility. The FLEX Platform, a cornerstone of Recurve’s offerings, supports every stage of demand-side program delivery—from initial scenarios and planning to targeting, tracking, and reporting. This comprehensive functionality supports all distributed resources and provides a seamless, transparent foundation for understanding the impact of demand-side interventions, promoting accountability and confidence among stakeholders. Carmen has been instrumental in developing these unique solutions for the market by focusing on enhanced visibility to drive confidence in demand-side investments.

Richard W. Caperton is the Vice President for Public Policy at SPAN.  In this role, he leads the company’s regulatory and policy functions, where his job is making sure that energy markets work well for the company’s products.  Prior to this, Richard built an industry-leading market development team at Arcadia and led national policy development and ran the regulatory team covering the eastern United States for Opower, which was acquired by Oracle.  Earlier in his career, he did research and advocacy on energy finance policy at the Center for American Progress and political organizing at the National Rural Electric Cooperative Association.  Richard received his MBA from the McDonough School of Business at Georgetown University and his BA from Pomona College in Claremont, California.  He and his wife live in Washington, DC.

Marguerite manages industry and government relations for Landis+Gyr's North American business by analyzing "the four levers" of energy policy at the state and national level: regulation, technology, policy, and markets. She supports Landis+Gyr’s diverse portfolio of smart grid hardware and software solutions by developing thought leadership positions for grid modernization, customer grid edge, cybersecurity, electric vehicle managed charging, energy flexibility, and smart gas. Marguerite is passionate about public speaking, event production, systems thinking, and creative approaches to solving complex problems, including reliable, affordable decarbonization of the grid and energy equity issues in the U.S.

Before joining Landis+Gyr, Marguerite led a variety of intelligence and strategy consulting projects for Fortune 500 companies, municipalities, energy developers, start-ups, distribution supply vendors, energy efficiency product developers, environmental nonprofits, sustainable building developers, smart grid advocates, and national laboratories. Outside of energy policy, Marguerite hosts community-building events, workshops, and volunteer events.

Joe is a manager in RMI’s Carbon-Free Buildings program, where he works on utility regulatory solutions needed to decarbonize the U.S. building stock.

Before joining RMI, Joe was a managing director for buildings policy at Fresh Energy in St. Paul, Minnesota. There, he advocated for gas utility policy before the Minnesota Public Utilities Commission and on other buildings-related policy at the state administrative and legislative levels. Joe has also worked as an attorney at the Minnesota Pollution Control Agency and as an assistant attorney general at the Minnesota Attorney General’s Office.

Joe has a JD from the University of Minnesota Law School, an MS in Science, Technology, and Environmental Policy from Humphrey School of Public Affairs at the University of Minnesota, and a BS in Environmental Engineering from the Michigan Technological University.

Ed is passionate about driving transformative policy change in our industry -- especially around the critical issues of Interconnection and Land Use. Serving as RWE Clean Energy's VP of Policy Development and Distributed Government Relations, Ed has been active in Interconnection proceedings across the nation over the last number of years, advocating for common-sense reforms that will enable a high-DER, high-decarbonization future.

After a 15 year career in the Energy Services sector, primarily with Constellation Energy, Ed joined Clean Energy Collective in 2019, remaining with that team through acquisitions by ConEd CEB and RWE Americas.  Ed leads a team that is responsible for Distributed energy policy. A committed urbanist (in addition to a climate activist), Ed lives in Hamilton Heights in Harlem, NY with his partner Abby and their terrorist mini-dachshund, Otto.

Carolyn Calwell leads the OEB’s ongoing transformation into an agile and future-focused regulator and ensures the OEB carries out its work thoughtfully and deliberately. She excels at building communication and consensus between public and private sectors.  Having served in senior leadership roles in law and policy at Ontario’s Ministry of Energy, Ms. Calwell brings deep energy sector expertise to her role at the OEB. She is the OEB’s Executive Champion for Mental Health and ensures a purposeful approach to diversity, equity and inclusion.  Ms. Calwell chairs the International Confederation of Energy Regulators’ Technology & Innovation working group, participates in the CAMPUT executive and is the President of the Canadian Chapter, Energy Bar Association.  

Sarah is the Director of Integrated Energy Planning for National Grid New England. Prior to joining National Grid in 2025, Sarah was the Senior Director of the Net Zero Grid Program at Massachusetts Clean Energy Center (MassCEC). During her tenure from 2023-2025, she represented MassCEC as a counselor on the MA Grid Modernization Advisory Council (GMAC). Prior to MassCEC, Sarah held positions at the Department of Public Utilities (DPU), working across gas and electric divisions, from 2019-2023. Sarah’s early career was as a consultant in economics and finance in the energy and environmental science sectors. Sarah has an MBA from Yale School of Management, a MESc from Yale School of Environment, and a BA from College of the Holy Cross.

Jamie Van Nostrand is the Policy Director at the Future of Heat Initiative, a national non-profit providing research and technical assistance to regulators, policymakers, and intervenors to support effective gas utility regulation. He is also a member of the Council of Commissioners at the Regulatory Assistance Project, as well as a Senior Fellow at the Kleinman Center for Energy Policy at the University of Pennsylvania.  

Van Nostrand served as Chair of the Massachusetts Department of Public Utilities from May 2023 to October 2025. Prior to his appointment to the DPU, Van Nostrand was a Professor of Law and Director of the Center for Energy and Sustainable Development at the West Virginia University College of Law. Before moving to WVU in July 2011, Van Nostrand spent three years as Executive Director of the Pace Energy and Climate Center in White Plains, NY. Prior to his transition to law school teaching, Van Nostrand had a successful career in private law practice in the Pacific Northwest representing energy clients in regulatory proceedings at both the state and federal level. 

Mr. Van Nostrand received his LL.M. in Environmental Law from the Elisabeth Haub School of Law at Pace University, his J.D. from the University of Iowa College of Law, his master’s degree in economics from SUNY at Albany, and an undergraduate degree in economics from the University of Northern Iowa. 

Hannah Dobie joined the Great Plains Institute in 2024 and is a senior policy specialist with the Energy Systems team. She facilitates convenings to help develop policy solutions to utility regulatory challenges.  

Hannah is a lawyer who has represented various interests in utility regulatory proceedings. She has also convened diverse stakeholders to develop legally durable air quality and energy regulations. She has conducted research and written on topics including barriers to large-scale electric transmission build-out and implications of court rulings on environmental policy.

Prior to joining GPI, Hannah was a staff attorney with the Harvard Law School Environmental and Energy law program and an associate attorney with the law firms Holland & Hart in Denver, Colorado, and Preti Flaherty in Boston, Massachusetts. She earned her JD at the University of Colorado Law School and a BS in environmental policy analysis and planning from UC Davis.

Mike Bloomberg is the Executive Director of the Future of Heat Initiative, a nonprofit that provides technical, legal, and economic analysis to support state utility regulators, policymakers, and public interest intervenors in the effective regulation of utilities.

Mike's background spans finance, urban technology research, and energy advisory work. He began his career in finance before transitioning to a role as Urban Technology Researcher at Cornell Tech in New York City, where he focused on the application of digital tools to public sector governance. He subsequently served as Chief of Staff to the Mayor of Holyoke, Massachusetts, working on infrastructure operations and policy implementation. He went on to co-found Groundwork Data, serving as Managing Director, where the firm provided research, technology, and advisory services to government and NGO clients to support more effective energy and infrastructure planning.

A native of Pittsfield, Massachusetts, Mike holds a B.A. in Political Science from the University of Massachusetts Amherst and an M.B.A. from Cornell Tech.

Brad is a nationally recognized expert in utility regulation. He has submitted expert witness testimony and comments on a wide range of electric and gas utility issues, including cost of service, rate allocation and rate design, low-income ratepayer issues, performance-based regulation, long-term resource planning, capital investment planning, plant prudency, and utility decarbonization policy.

Prior to co-founding Current Energy Group, Brad was a Senior Manager at Strategen Consulting where he led the Gas Utility Regulation practice and worked with clients across the country on a range of regulatory issues. Brad also worked at the Washington State Utilities and Transportation Commission (UTC) for 8 years as both a regulatory analyst and as an advisor to the commissioners. From 2019 – 2021, Brad led the UTC’s rulemakings to implement the Clean Energy Transformation Act, the state law requiring electric utilities to achieve 100 percent carbon-free electricity by 2045.
Brad has a Masters in Public Administration from the University of Washington, and earned his bachelor’s degree in Political Science from Colorado State University.

Jessica Shipley is an energy policy professional at Pacific Northwest National Laboratory where she focuses on the intersection of electric and gas utility regulation and energy innovation. She leads PNNL’s efforts to provide direct technical assistance to state regulators. Her PNNL research has included integrating gas and electric system planning, implementation of dynamic rates, and vehicle-grid integration challenges. Her expertise includes modernizing cost-of-service regulation, electrification policy, planning, and rate design. She joined PNNL from the Regulatory Assistance Project (RAP) where she directly advised regulators and other policymakers on practical solutions to energy challenges. Prior to RAP, Jessica was a senior policy analyst with the Oregon Department of Energy.  Jessica has a BS in environmental economics and a Master of Public Policy degree, both from the University of California, Berkeley.  

Carlo is the Co-Founder and CEO of encoord Inc. He is an expert in power system modeling and renewable integration, areas in which he has published several peer-reviewed articles.

Before co-founding encoord, he worked as a senior research engineer at the U.S. National Renewable Energy Laboratory (NREL). His research focused on the impact of variable renewable energy on power system planning and operations and the interface between electricity and natural gas systems. He also led a research project on the potential impacts of climate change on power system planning and operations. While at NREL, he advised the Energy Ministry officials of Mexico and Peru on power system planning and renewable integration.

Before joining NREL, Carlo was a researcher at the European Commission’s Joint Research Centre. In this role, his research focused on energy system modeling and techno-economic assessments of the European power system.

Carlo was also a lecturer at the University of Colorado Boulder, where he developed and taught graduate courses in the Department of Electrical, Computer, & Energy Engineering. He holds a Ph.D. from Delft University of Technology and a Master in Aeronautical Engineering from the University of Bristol.

Cody has approximately 15 years of experience in the energy and utility industries. Cody joined Enbridge in 2011 and has held roles in distribution, long range, and energy planning and is currently the Supervisor of Energy Policy & Planning at Enbridge Gas Ontario. Cody is a Professional Engineer and holds a BASc. and MASc. degrees in chemical engineering from the University of Toronto.

Katherine Hinderlie is the Manager of the Residential Utilities Division (RUD) of the Minnesota Office of the Attorney General, which represents the interest of residential and small business utility customers. While with RUD, Katherine has represented the interests of residential and small business customers in proceedings forming Minnesota’s gas resource planning process and authorizing Natural Gas Innovation Plans. Prior to joining RUD, Katherine represented the Minnesota Department of Commerce in public utilities matters as an Assistant Attorney General.  Katherine also clerked at the Minnesota Court of Appeals for the Honorable Kevin G. Ross.  Katherine received her J.D. from Cornell Law School and B.A. from The Evergreen State College.

Rachel Wittman leads PG&E's strategy preparing for building electrification at scale across a variety of gas and electric business functions, improving processes by understanding decisions, data, and people. She is currently a primary SME in non-pipeline alternative strategy, policy, and analytics. Prior to building electrification strategy, Rachel worked to develop PG&E's first net zero carbon plan and emissions objectives, and she developed analytical methods to understand and anticipate local and municipal concerns. Before PG&E, Rachel worked as a consultant in asset and risk management for the energy sector, where areas of focus spanned across oil refineries, chemical manufacturing, gas and coal power generation, onshore and offshore wind, and solar thermal.

Sarah Hart-Curran is a Legal Fellow at the Harvard Law School Environmental and Energy Law Program where she focuses on administrative law and state climate policies. 

Prior to law school, Sarah worked in community education and engagement, developing educational programming for nonprofits. She received her J.D. From Harvard Law School, her M.A. in Curriculum and Instruction from the University of Denver, and her B.A. from Colorado College.

Christopher Comack is an energy professional and manages Integrated Energy Planning at Eversource Energy. He focuses on developing utility strategies that will enable integrated energy planning at scale, on generating learnings from strategic electrification demonstration projects and community partnerships, and on developing tools that will optimize project development.

Gerardo Delgado is a strategic energy executive and attorney with expertise across regulatory, legislative, and legal sectors.  Currently, he leads as Director of Government Affairs at Nicor Gas, Illinois’ second largest energy company, serving over 2.3M residential and business customers across 650 communities. With over a decade of experience working closely with regulators, legislators, and industry stakeholders to align policy and compliance outcomes with enterprise priorities, Gerardo is recognized for his ability to translate complex regulatory environments into actionable business strategy that supports core operations, new growth avenues, and community stewardship that benefit customers, employees, and investors of the enterprise. 

Scott Butler is currently Consolidated Edison Company of New York’s (“Con Edison”) Department Manager in charge of gas system long-range planning and integrated planning. 

During his 30-year career in the energy industry, Mr. Butler has served in a variety of roles focused on the provision of gas, electric, and steam service in the New York metropolitan area. As a Con Edison employee, he managed the nation’s first Non-Pipeline Solutions RFP and served as Chair of the New York Independent System Operator’s Electric System Planning Working Group, the New York Transmission Owners Technical Committee, and the American Gas Association’s FERC Regulatory Committee. Prior to his employment at Con Edison, Mr. Butler served in a variety of roles for federal, state, and local government, including positions as the General Manager of the New York City Public Utility Service (a municipal reseller of electricity) and as a Vice President at the New York City Economic Development Corporation in charge of managing The City of New York’s energy policy, procurement, and programs.

Mr. Butler holds a Masters of Public Administration from New York University and a Bachelor’s Degree from Kenyon College. 

Kate Shonk supports Advanced Energy United’s building decarbonization and natural gas transition work through legislative and regulatory engagement in key states. Before joining United, she worked to increase grassroots momentum for building electrification, clean energy legislation, and other utility-related issues at Citizens Utility Board of Illinois. Before her time in the energy industry, Kate organized voters during the 2020 presidential election and engaged with communities around climate-related issues.

Bevan Flansburg leads Advanced Energy United’s regulatory engagement in the Northeast and Mid-Atlantic regions. Bevan works to promote and enable advanced energy technologies that modernize the grid, increase affordability, and ensure reliability. Prior to joining United, Bevan oversaw Abt Global’s energy transition practice, leading growth strategy and supporting projects across energy governance, electrification, and market reform. Before that, Bevan spent 16 years with the National Association of Regulatory Utility Commissioners (NARUC) working to improve regulatory governance using best practices from across the U.S. and practitioner-to-practitioner problem solving.